Apple Mac OS X Launch Services code execution

macos-launchservices-code-execution (43495) The risk level is classified as HighHigh Risk

Description:

Apple Mac OS X could allow a remote attacker to execute code on the system, caused by a race condition error in the download validation of symbolic links within the Launch Services component. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability and execute arbitrary code on the system. This vulnerability could be exploited automatically if the "Open safe files" option is enabled in Safari.

*CVSS:

Base Score: 5.1
  Access Vector: Network
  Access Complexity: High
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 3.8
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Apply Apple Security Update 2008-004 or upgrade to the latest version of Mac OS X (10.5.4 or later), available from the Apple Web site. See References.

References:

  • Apple Web site: About the security content of Security Update 2008-004 and Mac OS X 10.5.4.
  • BID-30018: Apple Mac OS X 2008-004 Multiple Security Vulnerabilities
  • CVE-2008-2311: Launch Services in Apple Mac OS X before 10.5, when Open Safe Files is enabled, allows remote attackers to execute arbitrary code via a symlink attack, probably related to a race condition and automatic execution of a downloaded file.
  • SA30802: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
  • SECTRACK ID: 1020393: Mac OS X Launch Services File Download Symlink Validation Bug Lets Remote Users Execute Arbitrary Code
  • VUPEN/ADV-2008-1981: Apple Mac OS X Command Execution and Security Bypass Issues

Platforms Affected:

  • Apple Mac OS X 10.4.11
  • Apple Mac OS X Server 10.4.11

Reported:

Jun 30, 2008

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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